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HomeTechWhat is AGP (Accelerated Graphics Port)?

What is AGP (Accelerated Graphics Port)?

An Accelerated Graphics Port (AGP) is a highlight point channel utilized for high-velocity video yield. This port is utilized to interface the realistic card to the motherboard of the PC. This speeds up at which machines can deliver illustrations while utilizing the framework’s assets all the more productively. The main role of an AGP is to convey three-dimensional pictures more effectively than is conceivable on an ordinary PC.

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History

AGP was created by Intel in the year 1996 and was sent off in Socket 7 Intel P5 Pentium and Slot 1 P6 Pentium II processors. Gradually everybody began utilizing it. Chipsets, for example, the VIA Apollo VP3, SiS 5591/5592, and ALI Aladdin V were the principal Socket 7 chipsets to help AGP.

Early AGP sheets utilized illustration processors that worked around Peripheral Component Interconnect (PCI) and were associated with AGP. One might say that AGP is comprised of PCI and that PCI is the premise. Spanning didn’t help the cards much from the new transport with the exception of the expanded 66 MHz transport clock and multiplied transfer speed on PCIe. Intel’s i740 was expressly intended to exploit the new highlights of AGP. It was planned exclusively for surfaces from AGP memory, truth be told.

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AGP Version Comparison Table

The various variants of AGP are examined here

Interface Clock Speed Transfer Rate

AGP 1.0 66MHz 1x and 2x 266MB/s and 533MB/s

AGP 2.0 66 MHz 4x 1,066 MB/s

AGP 3.0 66 MHz 8x 2, 133 MB/s

AGP. Highlights of

It has great and extremely quick execution.

It has an immediate way to the principal memory of the PC.

It interfaces with the CPU and works at the speed of the processor transport.

It all the more rapidly sends video data to the card for handling.

It utilizes principal memory to hold 3D pictures.

It furnishes illustration cards with two strategies for straightforwardly getting to surface guides in framework memory: pipelining and sideband tending.

The port is distinguished by its earthy colored tone.

Uses of AGP 

It is fit for growing new classes of utilizations like 3D CAD/CAM, information representation, and 3D UI on PC.

Direct Memory Execution of Textures – Texture maps are gotten straightforwardly from framework memory as opposed to pre-stacking and afterward getting to surface information into the illustrations card’s own memory. This kills extra work by permitting the surface to dwell in framework memory where it tends to be executed straight by the illustrations chip.

Formation of 3D Images – The CPU should perform concentrated 3D calculations. The design regulator processes surface information and bitmaps. By and large, the regulator needs to peruse components from 7 or 8 distinct surfaces and join them into a solitary pixel on the screen. At the point when this estimation is finished, the pixel should be put away in memory support. The memory involved in these surfaces is so enormous, that they can’t be put away in the video card’s cradle. With APG they are put away in the primary framework memory.

Benefits of AGP over PCI

AGP was presented as a substitution for the sluggish Peripheral Component Interconnect (PCI) interface. AGP gives an immediate line of correspondence to the CPU and RAM, which thus considers sped up delivering of illustrations.

 

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